Chapter 2: Fundamentals of Statistics
Lecture 16: Populations, samples, models, and
One or a series of random experiments is performed.
Some data from the experiment(s) are collected.
Planning experiments and collecting data (not discussed in the
Data analysis: extract information from the data, interpret the
results, and draw some conclusions.
Descriptive data analysis
Summary measures of the data, such as the mean, median,
range, standard deviation, etc., and some graphical displays, such
as the histogram and box-and-whisker diagram, etc.
It is simple and requires almost no assumptions, but may not allow
us to gain enough insight into the problem.
Stat 709 Lecture 16
September 2, 2011
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